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Burning clean fuel gas improves energetic efficiency

机译：燃烧清洁的燃气可提高能源效率

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摘要

One the most critical problems faced by refineries nowadays is the continuous increasing of legislation urging emissions reductions specifically SO_2, NO_x, and particles. Therefore there is a substantial need for refineries to burn fuel gas instead of fuel oil and avoiding, if possible, the use of imported natural gas. The refinery case study presents a substantial excess of fuel gas resulting from the production of hydrogen to obtain clean flues with low sulphurs.rnThe aim of this paper is to optimize the use of the hydrogen excess with the implementation of a gas turbine with heat recovery with a feed near 28-31% of hydrogen.rnThe cogeneration system was modelled by GateCycle 5.34.0.r. and the results obtained for the simulation were considered optimistic. Considering a production of 13 MW of electrical power the overall efficiency reached a value of 76% and 22 t/h of vapour (17 MW) from a feed of 3 t/h of fuel gas (39 MW).rnThese results allow a higher electrical power production and a consequent reduction in the emissions of SO_2 and CO_2.
机译：如今，炼油厂面临的最关键问题之一是不断增加的立法要求敦促减排，特别是减少SO_2，NO_x和颗粒物。因此，迫切需要精炼厂燃烧燃料气代替燃料油，并在可能的情况下避免使用进口天然气。炼油厂的案例研究表明，通过生产氢气获得低硫的洁净烟道会产生大量过量的燃气。本文的目的是通过实施带有热量回收功能的燃气轮机来优化氢气的过量利用。联产系统由GateCycle 5.34.0.r建立模型。并且模拟获得的结果被认为是乐观的。考虑到产生的13兆瓦电功率，总效率达到了76％的值，而从3吨/小时的燃料气体（39兆瓦）进料中获得了22吨/小时的蒸汽（17兆瓦）。电力生产，从而减少了SO_2和CO_2的排放。

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  • 来源
    《Energy Conversion & Management》 |2010年第3期|498-504|共7页
  • 作者

    Andre Fonseca; rnManuel L.C. Tavares; rnLuisa A.C.N. Gomes;

  • 作者单位

    Chemical Engineering Department, Institute Superior de Engenharia do Porto, Rua Dr. Antonio Bernardino de Almeida 431, P4200-072 Porto, Portugal;

    rnGalp Energia, Area de Tecnologia, Apartado 3015, 4451-852 Leca da Palmeiro, Portugal;

    rnChemical Engineering Department, Institute Superior de Engenharia do Porto, Rua Dr. Antonio Bernardino de Almeida 431, P4200-072 Porto, Portugal;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    cogeneration; fuel gas; linear programming; gas turbines; clean fuels;

    机译：热电联产燃气;线性规划;燃气轮机;清洁燃料;

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